<template>
	<div class="email"><button @click="handleClick">按我</button></div>
</template>
<script>
export default {
	methods: {
		handleClick () {
			this.$bus.$emit('on-click','hello')
		}
	}
}
</script>
<style>
.email{
	border: 1px solid green;
}
</style>

